package com.hackerank.arrays.map;

import java.util.HashMap;
import java.util.List;
import java.util.Map;

/**
 *
 *  https://www.hackerrank.com/challenges/count-triplets-1/problem?h_l=interview&playlist_slugs%5B%5D=interview-preparation-kit&playlist_slugs%5B%5D=dictionaries-hashmaps
 *
 * */
public class CountTriplets {
    static long countTriplets(List<Long> arr, long r) {
        Map<Long,Integer> map = new HashMap<Long,Integer>();

        return 0;
    }
}
